Abstract

Objectives: to perform a systematic review to evaluate the effectiveness of different molar intrusion methods used in the treatment of anterior open bite patients, to explore the changes that occur in the vertical facial morphology and mandibular rotation.

Search methods: Electronic databases were searched up to April, 2016 in (CENTRAL-Cochrane register of controlled trials, PubMed and LILACS). Grey literature was also searched electronically through Google Scholar. Hand searching was done in the central library in Cairo University and the Cairo Dental Journal (CDJ) as well as high impact factor journals in the field (AJODO, EJO and The Angle Orthodontist). Language was restricted to English.

Results: Twenty articles were eligible for the descriptive analysis, but only 4 were eligible for the quantitative analysis. Quality assessment of the included articles showed moderate to high quality. Meta-analysis using the fixed effect model .

Conclusion: A significant improvement in overbite was found in Frankel-4 appliance group about 2 mm greater than the control group. A significant improvement in overbite was found in MPBB group about 1 mm greater than the SPBB group. There is no enough evidence in the orthodontic literature regarding to the most efficient molar intrusion method used for anterior open bite treatment in adults.